I have a phototransistor, when it's dark my LED turns on. I wan't to do the opposite, when it's dark I want my LED to turn off. What component do I need to change how the phototransistor switch works?
I guess you could think of this like a regular switch. Usually when you toggle the switch on it allows voltage through the switch that powers your device. I want the switch to work normally, but something between the switch and LED to stop the voltage from passing when the switch is on, but allow the voltage when the switch is off.
I guess you could think of this like a regular switch. Usually when you toggle the switch on it allows voltage through the switch that powers your device. I want the switch to work normally, but something between the switch and LED to stop the voltage from passing when the switch is on, but allow the voltage when the switch is off.